1986483018 has 32 divisors (see below), whose sum is σ = 4280282496. Its totient is φ = 610982208.

The previous prime is 1986482989. The next prime is 1986483019. The reversal of 1986483018 is 8103846891.

It is a super-2 number, since 2×1986483018² = 7892229561604776648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1986483019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354696 + ... + 360252.

It is an arithmetic number, because the mean of its divisors is an integer number (133758828).

Almost surely, 2^1986483018 is an apocalyptic number.

1986483018 is an abundant number, since it is smaller than the sum of its proper divisors (2293799478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1986483018 is a wasteful number, since it uses less digits than its factorization.

1986483018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10158.

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 1986483018 is about 44569.9788871388. The cubic root of 1986483018 is about 1257.0762430108.

The spelling of 1986483018 in words is "one billion, nine hundred eighty-six million, four hundred eighty-three thousand, eighteen".